public class BinaryTree {
    public static class CutNode {

        public int val;
        public CutNode left;//左节点
        public CutNode rigth;

        public CutNode(int val) {
            this.val = val;
        }
    }
        public  CutNode newcut(){
              CutNode cutNode=new CutNode(1);
              CutNode cutNode1=new CutNode(2);
              CutNode cutNode2=new CutNode(3);
              CutNode cutNode3=new CutNode(4);
              CutNode cutNode4=new CutNode(4);
              cutNode.left=cutNode1;
              cutNode.rigth=cutNode2;
              cutNode1.left=cutNode3;
              cutNode1.rigth=cutNode4;

            return cutNode;
        }

    public static void main(String[] args) {
        BinaryTree binaryTree=new BinaryTree();
        BinaryTree.CutNode node=binaryTree.newcut();

    }
}
